Weather Report
Grassy Key, Florida
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Current Conditions -  °F | °C
As of 11:53 PM on Thursday 23 May 2013 (Local Time) from KMTH Reporting Station
Clear Clear   Feels Like: 83°
Wind Chill: 80°   Ceiling: Unl
Heat Index: 83°   Visibility: 10mi
Dew Point: 70°   Wind: 0mph
Humidity: 71%   Direction: NA NA
Pressure: 30.02"   Gusts: NA
Report Text: KMTH 240353Z AUTO 00000KT 10SM CLR 27/21 A3002 RMK AO2 SLP166 T02670211
1 AM
Clear
Clear 81°
2 AM
M Clear
M Clear 81°
3 AM
M Clear
M Clear 80°
Alerts
Interactive Weather Map
10 Day Forecast -  °F | °C
thu fri sat sun mon tue wed thu fri sat
may
23
M Clear
M Clear
90°
79°
may
24
M Sunny
M Sunny
91°
81°
may
25
P Cloudy
P Cloudy
91°
79°
may
26
M Sunny
M Sunny
87°
80°
may
27
P Cloudy
P Cloudy
88°
81°
may
28
Iso T-Storms
Iso T-Storms
89°
81°
may
29
Iso T-Storms
Iso T-Storms
90°
82°
may
30
M Sunny
M Sunny
89°
82°
may
31
Sct T-Storms
Sct T-Storms
90°
82°
jun
01
Sct T-Storms
Sct T-Storms
90°
82°
Details for Thursday, May 23 (Evening)
Evening: Generally clear skies. Low 79F. Winds light and variable.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 68%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 21%
Cloud Coverage
Sunrise: 6:37 AM
Sunset: 8:05 PM
 
Moonrise: 6:42 PM
Moonset: 5:10 AM
Moon Phase:  Waxing Gibbous
Moonphase:
Waxing Gibbous
Wind Direction:  NW
Direction: NW (305°)
Speed: 4Mph(6Km, 3Kts)
Details for Friday, May 24
Generally sunny despite a few afternoon clouds. High 91F. Winds NW at 5 to 10 mph.
Evening: Partly cloudy. Warm. Low 81F. Winds N at 5 to 10 mph.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 27%
Cloud Coverage
Sunrise: 6:37 AM
Sunset: 8:06 PM
 
Moonrise: 7:48 PM
Moonset: 6:02 AM
Moon Phase:  Full
Moonphase:
Full
Wind Direction:  NW
Direction: NW (315°)
Speed: 9Mph(15Km, 8Kts)
Details for Saturday, May 25
Partly cloudy. Highs in the low 90s and lows in the upper 70s.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 56%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 28%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 8:06 PM
 
Moonrise: 8:54 PM
Moonset: 7:00 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ENE
Direction: ENE (57°)
Speed: 17Mph(28Km, 15Kts)
Details for Sunday, May 26
More sun than clouds. Highs in the upper 80s and lows in the low 80s.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 57%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 24%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 8:07 PM
 
Moonrise: 9:55 PM
Moonset: 8:02 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ENE
Direction: ENE (59°)
Speed: 17Mph(28Km, 15Kts)
Details for Monday, May 27
Partly cloudy. Highs in the upper 80s and lows in the low 80s.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 20%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 33%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 8:07 PM
 
Moonrise: 10:52 PM
Moonset: 9:07 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ENE
Direction: ENE (69°)
Speed: 14Mph(23Km, 12Kts)
Details for Tuesday, May 28
Slight chance of a thunderstorm. Highs in the upper 80s and lows in the low 80s.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 60%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 38%
Cloud Coverage
Sunrise: 6:36 AM
Sunset: 8:07 PM
 
Moonrise: 11:43 PM
Moonset: 10:13 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  ENE
Direction: ENE (78°)
Speed: 14Mph(23Km, 12Kts)
Details for Wednesday, May 29
Isolated thunderstorms. Highs in the low 90s and lows in the low 80s.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 61%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 26%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 8:08 PM
 
Moonrise: 11:59 PM
Moonset: 11:17 AM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  E
Direction: E (87°)
Speed: 16Mph(26Km, 14Kts)
Details for Thursday, May 30
More sun than clouds. Highs in the upper 80s and lows in the low 80s.
UV Index: 11 (Extreme)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 25%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 8:08 PM
 
Moonrise: 12:29 AM
Moonset: 12:18 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  E
Direction: E (84°)
Speed: 15Mph(24Km, 13Kts)
Details for Friday, May 31
Scattered thunderstorms. Highs in the low 90s and lows in the low 80s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 66%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 8:09 PM
 
Moonrise: 1:11 AM
Moonset: 1:17 PM
Moon Phase:  Waning Gibbous
Moonphase:
Waning Gibbous
Wind Direction:  E
Direction: E (83°)
Speed: 14Mph(23Km, 12Kts)
Details for Saturday, June 01
A few thunderstorms possible. Highs in the low 90s and lows in the low 80s.
UV Index: 10 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 65%
Cloud Coverage
Sunrise: 6:35 AM
Sunset: 8:09 PM
 
Moonrise: 1:51 AM
Moonset: 2:13 PM
Moon Phase:  Last Quarter
Moonphase:
Last Quarter
Wind Direction:  E
Direction: E (87°)
Speed: 13Mph(21Km, 11Kts)
Chart.
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